@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600;700&family=Quicksand:wght@300;400;500;600;700&display=swap');

:root{
  --red:#ff0000;
  --violet:#8b00ff;
  --ink:#261717;
  --paper:#f7eded;
  --dim:#d6c2c5;
  --edge:rgba(255,255,255,.2);
  --glass:rgba(255,255,255,.09);
  --blur:blur(16px);
  --hand:"Caveat","Quicksand","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --r:4px;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}

html{
  background:var(--ink);
  scroll-behavior:smooth;
  scroll-padding-top:120px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:"Quicksand","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(40% 40% at 10% 4%, rgba(255,0,0,.5), rgba(255,0,0,0) 62%),
    radial-gradient(48% 46% at 92% 22%, rgba(139,0,255,.48), rgba(139,0,255,0) 64%),
    radial-gradient(60% 55% at 50% 104%, rgba(255,0,0,.3), rgba(255,0,0,0) 72%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  overflow-x:hidden;
}

a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #ff7a7a;outline-offset:2px}

.glass{
  background:var(--glass);
  border:1px solid var(--edge);
  border-radius:var(--r);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
}

/* 顶部细条 */
.ticker{
  background:rgba(255,0,0,.18);
  border-bottom:1px solid rgba(255,255,255,.16);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
}
.ticker p{
  margin:0;
  padding:.55rem 1rem;
  text-align:center;
  font-size:.85rem;
  letter-spacing:.24em;
  color:#ffe6e6;
}

/* 头部 */
.top{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(38,23,23,.55);
  border-bottom:1px solid var(--edge);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
}
.nav{
  max-width:var(--maxw);
  margin:0 auto;
  padding:.3rem .8rem;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:.3rem;
}
.nav p{
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:.1rem;
}
.nav p.nav-r{justify-content:flex-end}

.nav p a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.3rem .58rem;
  font-size:.95rem;
  color:var(--paper);
  text-decoration:none;
  border-radius:var(--r);
  transition:background .2s ease,color .2s ease;
}
.nav p a::before{
  content:"";
  width:6px;
  height:6px;
  margin-right:.4rem;
  border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--violet));
  box-shadow:0 0 8px rgba(255,0,0,.8);
  flex:none;
}
.nav p a:hover,.nav p a.is-on{background:rgba(255,255,255,.14);color:#fff}

.brand{
  font-family:var(--hand);
  font-size:1.6rem;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  text-decoration:none;
  padding:.15rem .5rem;
  white-space:nowrap;
  text-shadow:0 0 20px rgba(255,0,0,.65);
}

/* 首屏 */
.hero{
  position:relative;
  min-height:min(70vh,620px);
  display:grid;
  place-items:center;
  overflow:hidden;
  isolation:isolate;
  text-align:center;
  padding:3rem 1.1rem 5rem;
  border-radius:0 0 48px 48px;
}
.hero-glow{
  position:absolute;
  inset:0;
  z-index:-1;
  background:radial-gradient(58% 62% at 50% 38%, rgba(139,0,255,.5), rgba(38,23,23,.88) 78%);
}
.hero-img{
  position:absolute;
  inset:0;
  z-index:-2;
  width:100%;
  height:100%;
  object-fit:cover;
  will-change:transform;
}
.hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:62px;
  background:linear-gradient(90deg,var(--red),var(--violet));
  clip-path:polygon(0 66%,100% 0,100% 100%,0 100%);
  opacity:.92;
}
.hero-inner{position:relative;z-index:2;max-width:880px}
.hero h1{
  margin:0 0 1.2rem;
  font-family:var(--hand);
  font-weight:700;
  font-size:clamp(2.1rem,6.4vw,4.1rem);
  line-height:1.15;
  letter-spacing:.02em;
  text-shadow:0 8px 44px rgba(38,23,23,.9);
}
.cta{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:.6rem 1.7rem;
  border-radius:999px;
  border:1px solid var(--edge);
  background:rgba(255,255,255,.18);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  color:#fff;
  text-decoration:none;
  letter-spacing:.22em;
  font-size:.95rem;
  transition:background .2s ease;
}
.cta:hover{background:rgba(255,255,255,.3)}

/* 主体 */
.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:2.4rem 1rem 3rem;
  display:grid;
  grid-template-columns:minmax(0,1fr) 292px;
  gap:1.6rem;
  align-items:start;
}

.sheet{padding:1.6rem 1.5rem 2rem}

.doc{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.doc.is-in{opacity:1;transform:none}

.doc section{
  padding:1.6rem 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.doc section:first-child{border-top:0;padding-top:.3rem;opacity:1}

.doc h2{
  font-family:var(--hand);
  font-weight:700;
  font-size:clamp(1.5rem,3.4vw,2.1rem);
  line-height:1.3;
  margin:.2rem 0 .8rem;
  color:#fff;
}
.doc h2::after{
  content:"";
  display:block;
  width:64px;
  height:3px;
  margin-top:.55rem;
  border-radius:2px;
  background:linear-gradient(90deg,var(--red),var(--violet));
}
.doc h3{
  font-size:1.16rem;
  line-height:1.55;
  margin:1.3rem 0 .5rem;
  color:#ffe4e4;
}
.doc p{margin:.75rem 0;color:#f3e7e8}
.doc ul,.doc ol{margin:.8rem 0;padding-left:1.25rem}
.doc li{margin:.35rem 0}
.doc strong{color:#fff}
.doc a{color:#ffbcbc;text-decoration:underline;text-underline-offset:3px}
.doc img{max-width:100%;height:auto;border-radius:var(--r);border:1px solid var(--edge)}
.doc blockquote{
  margin:1.1rem 0;
  padding:.85rem 1.1rem;
  border-left:3px solid var(--violet);
  background:rgba(255,255,255,.06);
  border-radius:0 var(--r) var(--r) 0;
}
.doc blockquote p{margin:.3rem 0}
.doc time,.doc .date{color:var(--dim);font-size:.95rem;letter-spacing:.05em}
.doc hr{border:0;border-top:1px solid rgba(255,255,255,.14);margin:1.5rem 0}
.doc table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.98rem}
.doc th,.doc td{border:1px solid rgba(255,255,255,.16);padding:.5rem .6rem;text-align:left}

/* 侧栏 */
.side{
  position:sticky;
  top:118px;
  padding:1.1rem 1rem 1.2rem;
  opacity:0;
  transform:translateY(16px);
  transition:opacity .7s ease,transform .7s ease;
}
.side.is-in{opacity:1;transform:none}
.side small{
  display:block;
  font-size:.85rem;
  letter-spacing:.24em;
  color:#ffb3b3;
  margin-bottom:.15rem;
}
.side h2{
  font-family:var(--hand);
  font-size:1.35rem;
  font-weight:700;
  margin:.05rem 0 .7rem;
  color:#fff;
}
.side-list{list-style:none;margin:0 0 .9rem;padding:0}
.side-list li{margin:0}
.side-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:.25rem .5rem;
  font-size:.98rem;
  color:var(--paper);
  text-decoration:none;
  border-radius:var(--r);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.side-list a:hover{background:rgba(255,255,255,.14);color:#fff}
.to-top{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.3rem .9rem;
  border:1px solid var(--edge);
  border-radius:999px;
  font-size:.88rem;
  color:#fff;
  text-decoration:none;
  background:rgba(255,255,255,.08);
}
.to-top:hover{background:rgba(255,255,255,.2)}

/* 页脚 */
.foot{
  margin-top:2rem;
  background:rgba(255,255,255,.07);
  border-top:1px solid var(--edge);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
}
.foot-grid{
  max-width:var(--maxw);
  margin:0 auto;
  padding:2.2rem 1rem 1.3rem;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.4rem;
}
.cap{
  font-family:var(--hand);
  font-size:1.15rem;
  font-weight:600;
  letter-spacing:.12em;
  color:#ffd6d6;
  margin:0 0 .5rem;
}
.foot address{
  font-style:normal;
  font-size:.96rem;
  line-height:1.9;
  color:var(--dim);
}
.foot address strong{display:block;color:#fff;font-size:1.06rem}
.foot-list{list-style:none;margin:0;padding:0;display:grid;gap:.05rem}
.foot-list a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:.15rem .1rem;
  color:var(--paper);
  text-decoration:none;
  font-size:.98rem;
}
.foot-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

.sub-form{display:flex;flex-wrap:wrap;gap:.5rem}
.sub-form input{
  flex:1 1 150px;
  min-height:44px;
  padding:.5rem .8rem;
  font:inherit;
  font-size:.98rem;
  color:#fff;
  border-radius:var(--r);
  border:1px solid var(--edge);
  background:rgba(255,255,255,.13);
}
.sub-form input::placeholder{color:#dcc9cb}
.sub-form button{
  min-height:44px;
  padding:.5rem 1.2rem;
  font:inherit;
  font-size:.98rem;
  color:#fff;
  cursor:pointer;
  border-radius:var(--r);
  border:1px solid rgba(255,0,0,.55);
  background:linear-gradient(135deg,rgba(255,0,0,.72),rgba(139,0,255,.72));
}
.sub-form button:hover{filter:brightness(1.12)}

.foot-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:1rem;
  text-align:center;
}
.foot-bottom p{margin:0;font-size:.95rem;color:var(--dim)}

/* 移动端 */
@media (max-width:900px){
  .wrap{grid-template-columns:1fr;padding:1.8rem .9rem 2.4rem}
  .side{position:static;order:2}
  .sheet{padding:1.2rem 1.05rem 1.5rem}
}

@media (max-width:760px){
  .nav{grid-template-columns:1fr;gap:0}
  .brand{order:-1;justify-self:center;font-size:1.42rem}
  .nav p{justify-content:center}
  .nav p.nav-r{justify-content:center}
  .nav p a{font-size:.9rem;padding:.25rem .42rem}
  .nav p a::before{width:5px;height:5px;margin-right:.3rem}
  .hero{min-height:66vh;padding:2.4rem .9rem 4.6rem;border-radius:0 0 32px 32px}
  .foot-grid{grid-template-columns:1fr;padding:1.8rem 1rem 1rem}
  .doc table{font-size:.92rem}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .doc,.side{opacity:1;transform:none;transition:none}
  .hero-img{transform:none !important}
}

button[aria-expanded]{min-width:44px;min-height:44px}